User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  131 
PTZ linking is applicable only to other list, not to whitelist and blacklist. 
7.  Click Rule Settings to enter the rule settings interface. Configure the lane, upload 
picture, and overlay content settings. Up to four lanes are selectable. 
Figure 179, Rule Settings 
8.  Click Save to save the settings.   
Refer to the network camera’s user manual for detailed vehicle detection instructions.   
9.3  Line Crossing Detection   
Purpose 
This function detects people, vehicles, and objects crossing a set virtual line. The line 
crossing direction can be set as bidirectional, from left to right, or from right to left. You can 
set the duration for the alarm response actions such as full screen monitoring, audible 
warning, etc.   
1.  Go to Menu > Camera > VCA. 
2.  Select the camera to configure the VCA.   
3.  Check the Save VCA Picture checkbox to save the captured VCA detection pictures.   
4.  Set the VCA detection type to Line Crossing Detection. 
5.  Check the Enable checkbox to enable this function. 
6.  Click Set to configure the trigger channel, arming schedule, linkage action, and PTZ 
linking for the line crossing detection alarm.   
7.  Click R
ule Settings to set the line crossing detection rules.   
1)  Set the direction to A<->B, A->B or B->A.   










